2787ac75ab8ba8835290cacbfccc6b0c78978748
[urcu.git] / urcu / arch / tile.h
1 #ifndef _URCU_ARCH_TILE_H
2 #define _URCU_ARCH_TILE_H
3
4 /*
5 * arch/tile.h: definitions for tile architecture
6 *
7 * Copyright (c) 2010 Paul E. McKenney, IBM Corporation.
8 * Copyright (c) 2009-2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with this library; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 */
24
25 #include <urcu/compiler.h>
26 #include <urcu/config.h>
27 #include <urcu/syscall-compat.h>
28
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32
33 #include <stdlib.h>
34 #include <sys/time.h>
35
36 typedef unsigned long long cycles_t;
37
38 static inline cycles_t caa_get_cycles (void)
39 {
40 cycles_t thetime;
41 struct timeval tv;
42
43 if (gettimeofday(&tv, NULL) != 0)
44 return 0;
45 thetime = ((cycles_t)tv.tv_sec) * 1000000ULL + ((cycles_t)tv.tv_usec);
46 return (cycles_t)thetime;
47 }
48
49 /*
50 * Define the membarrier system call number if not yet available in the
51 * system headers. tile implements asm-generic/unistd.h system call
52 * numbers.
53 */
54 #ifndef __NR_membarrier
55 #define __NR_membarrier 283
56 #endif
57
58 #ifdef __cplusplus
59 }
60 #endif
61
62 #include <urcu/arch/generic.h>
63
64 #endif /* _URCU_ARCH_TILE_H */
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